radar return

Dictionary of Military and Associated Terms. US Department of Defense 2005.

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The last radar return was recorded at 9.16pm and 50 seconds.

Emiliano Sala's 20 seconds of terror as doomed flight crashed and split in three; Flight data shows the Piper PA-46 Malibu plane, piloted by David Ibbotson, followed its planned route on the night of January 21 until it got into difficulty 13 nautical miles south of Guernsey

If the target is closer, the projectile's radar return will become mixed with the reflected waves also produced from a target resulting in a failure to record.

DOPPLER EFFECT

Caption: LEFT: Note that the crash occurred outside of the heaviest radar return (rain) but likely encountered severe vertical currents.

WEATHER ACCIDENTS #7

Using the Doppler radar return of the moving targets, GMTI radar shows moving vehicles as dots overlaid on a digital map and can do this even in bad weather or complete darkness.

Pal Aerospace: off the back of its big win on FWSAR, the Newfoundland-based company launches "Force Multiplier", a new ISR service

At the first stage of detection process, [[DELTA].sub.1] = {[absolute value of [[??].sub.m]] [greater than or equal to] T} denotes the event that the radar return of single range cell in the sum channel exceeds the detection threshold.

Effects of Compound K-Distributed Sea Clutter on Angle Measurement of Wideband Monopulse Radar

Lower frequencies have the advantage of the radar signal being able to reach farther due to less attenuation (weakening of radar return signal) by hydrometeors.

The threat to weather radars by wireless technology

"We want to shoot against actual aircraft--aircraft that's the appropriate size, as well as giving us the appropriate radar return," Rivers said.

A Spartan death: QF-4s sacrifice selves for others

"Moreover, smaller aircraft such as home-builds and microlight-sized aircraft do not always generate a good radar return and sometimes they do not display on radar at all.

Crowded skies around airport spark bid for compulsory radio zone; 'It's a safety must when so many planes have unknown courses'

Therefore, the paper plans to adopt the nonlinear research method -- fuzzy fractal theory to analyze the characteristics of conventional radar return signals from aircraft targets, and on this basis puts forward a fuzzy-fractal-feature-based classification method so as to identify different types of aircraft targets in condition of no compensation for airframe echo components.

Classification of aircraft targets with surveillance radars based on fuzzy fractal features

Modulations of the radar return from arms, legs, and even body sway are being investigated by researchers [3-5].

Radar measurement of human polarimetric micro-Doppler

To get the range of a radar return, the operator would use a rotating knob to move the display until the echo was lined up under a vertical line etched in the center of the screen.

Technology not realized: Army Air Forces radar employment in the early Pacific War

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